The process[3] of analyzing and understanding the design, structure, or functionality[1] of an existing system or application[2] to replicate or modify it.
Defined Terms
1. ↑ functionality.
The collective term describing what a system does: That is, the different types of functions a component is expected to perform as part of a business operation, such as create, update, manipulate, report or delete data.
3. ↑ process.
The mechanism through which the data are transformed, manipulated and created into output such as a report, a decision etc. A series of activities that need to be carried out to accomplish some sort of organizational goal. A sequence of events or activities that are triggered by something happening and results in something being achieved.
